Oven of gas and electric ranges



y 1933.. w, D. ANTRIM OVEN OF GAS AND ELECTRIC RANGES 2 Sheets-Sheet 1Filed Oct. 19, 1931 has;

May 2, 1933.

w. D. ANTRIM 1,907,414

OVEN OF GAS AND ELECTRIC RANGES Filed Oct. 19, 1951 2 Sheets-Sheet 2Patented May 2, 1933 UNITED STATES WILLIAM D. ANTIBJM, OF GLOUCESTER,NEW JERSEY, .A SSIG NOR TO ROBERTS & MANDEB.

PATENT OFFICE STOVE COMPANY, OF PHILADELPHIA, PENNSYLVANIA, ACORPORATION OF PENN- SYLVANIA OVEN 01 GAS AND ELECTRIC RANGESApplication filed October 19, 1931.

My invention relates to certain improvements in ovens of gas andelectricranges in which there is an inner and outer casing enclosingheat.non-conducting material.

One object of my invention is to improve the oven structure so that itcan be accurately and quickly assembled.

v A further object of the invention is to so construct the oven that theouter casing and the non-conducting material can be removed from theinner casing for repairs without disturbing the inner oven structure.

A still further object of the invention is to make the internal casingof the oven as a fixture either secured permanently to the front plateor detachably secured thereto.

A further object of' the invention is to prevent the cracking of theenamel on the inner walls of the oven during transportation by makingthe inner casing as a rigid structure.

In the accompanying drawings:

Fig. 1 is a sectional elevation of my improved oven structure for gasand electric ranges;

Fig. 2 is a sectional plan view on the line 2-2, Fig. 1;

Fig. 3 is a detached sectional plan view of the front plate of the oven;

Fig. 4 is a detached sectional plan view of the inner back plate of theoven;

Fig. 5 is a detached sectional view of the bottom plate of the oven;

Fig. 6 is a detached sectional plan view of one of the side plates; Y

Fig. 7 is an enlarged sectional view of a portion of Fig. 1, showingclearly the method of attaching the front plate to the inner side wallof the oven; and

Fig. 8 is an enlarged sectional view illustrating a modification.

g 1 is the front plate of the oven, preferably made of cast metal. Inthe present instance this front plate has a rounded outer flange 2 andan inner flange 3 which is inturned at 4 forming aseat for the oven door5, shown by dotted lines in Fig. 2. 6 are the inner side plates of the.oven and 7 are the outer side plates, spaced from the inner side platesfor the lntroductlon of heat non-conducting Serial No. 569,813.

readily applied to the oven structure.

Each inner side plate has an upturned flange 9 at the forward end, whichis secured by bolts 10 in the present instance to theinturned flange 4of the front plate. The nuts 10a on these bolts are located on theinside so that they can not be removed without first removing the outerside plates and nonnconducting material, making the front plate apermanent portion of the inner oven structure. In some instanceshowever, particularly when the oven is to be shipped great disstances,it may be desirable to make the cast front plate removable so that inthe event of breakage it can be readily replaced.

In Fig. 8 the bolt 10b is screwed into a strip 100 at the back of theflange 4 and this plate takes the place of the nut shown in Fig. 7, andby removing the bolts from the front, the front plate can be detached inthe event of breakage and another plate readily applied. The rear end ofeach side plate has an outturned flange 11 which is secured to the outerrear plate 12 of the oven and to the inturned flange 13 of the outerside plates 7 by bolts 14, the nuts .15 of these bolts being on theoutside so that they can be securely fastened after the parts havebeen'assembled.

The forward end of each outside plate 7 has a shouldered inturned flange16, as shown in Figs. 2 and 7, so that the flange will rest back of theouter flange 2 of the front plate 1 and will be held firmly to the frontplate at its forward end.

Within the oven structure are two rack plates 19, one at each side, forsupporting the slides. These rack plates are rigidly secured by rivetsor other means to forward and rear channel members 17 and 18,- whichspace the I inturned flange 20 which supports the bottom plate 21 of theinner oven structure. The bottom plate in the present instance is curvedupwards at each side. as at 22 and has a downturned flange 23 whichrests upon the flange 20. By this construction the bottom plate of theoven can be forced into osition and held rigidly when in position.ecured to the underside of the bottom plate 21 is a deflecting plate 47spaced from the bottom plate to form an air; chamber 48, so that theflame from the burner 24 does not strike the bottom plate 21.

The burner in this instance is the ordinary gas burner having a mixingchamber 25 into which extends the gas pipe 26. The inner end of theburner has an extension 27 in the present instance, which rests upon aflange 28 forming a part of the angle bar 29 at that side of the oven.

Secured to the lower end of the left-hand outer side plate is an angleplate 49. The lower end of. the inner plate 6 is flanged at 30 and restsupon this angle plate. On the opposite side the flange 30a of the innerside plate 6 is turned down as at 31 and is secured to a comparativelyheavy bar 32, and clamped between the two parts is the inturned ofli'setflange 34 of the outer plate 7 49a is a horizontal plate on which theflanged inner plate -6 rests as shown in Fig. 1.

The means of supporting the lower portion of the oven structure may bemodified without departing from the essential features of the invention.

Located in the lower portion of the structure is a bottom plate 36having upturned sides. This is the ordinary type of bottom plate used ingas ranges. The inner top late 39 of the oven, which is secured to theinner side plates 6 has downturned flanges 40 which hold the outerplates 7 in alignment at their upper ends and these flanges also act tostiffen the top plate 39. -By the above construction the parts can bereadily and accurately assembled. The inside side plates 6 are firstsecured to the top plate 39 by the bolts 38. Then the front plate 1 issecured to the forward flanges of the side lates by the bolts 10. Therack plates are t en placed in position and the bottom plate 21 isforced into position, holding the lower ends of the rack plates firmlyagainst the side plates. The upper ends of the channel members whichform part of the rack plates are held by the flanges of the angle plate37, which is also bolted to the top plate 39 as clearly shown in Fig. 1.

In the present instance the entire inner surface of the oven is enameledand it is desirable that these enanieled parts shall not be disturbed inthe event of repairs to the outer portions of the oven. The side sheetsof non-conducting material 8 are then placed in position as well as thesheets of non-conducting material 41 at the back of the oven and theouter rear plate 12 is then located in position and the side plates 7are fitted to the front plate and secured to the back plate by the bolts14. Then the top sheet of nonconducting material 42 is placed on top ofthe inner top plate 39 and the outer top plate 43 is located over thenon-conducting material and the downturned edges 44 of this top platerests upon the inturned flanges 45 on the outer side plates 7,completing the assembly of the oven structure. In this instance the sideplates 7 on one side of the oven structure extend the full height of theoven, while at the opposite side the plate is made in two pieces andlocated between the two pieces is a cast metal ornamental flange 46,which may form a continuation of the flange of the body of the gasstove. This construction, however, may be omitted and the side plate maybe made in one piece if desired.

By the above construction it will be seen that the outside plates of theoven structure and the non-conducting material may be removed if desiredwithout disturbing the inner or main portion of the oven structure.

I claim:

1. The combination in an oven structure for ranges, of a front plate;inner side plates secured to the, front plate; an inner back plate; anouter back plate; outer side plates engaging the front plate and securedat their rear ends to the inner side plate and the outer back plate; andnon-conducting material between the-inner and outer side plates and theinner and outer back plates, the fastening means at the rear end of thestructure being accessible from the outside.

2. The combination in an oven structure, of a front plate; side plateshaving outturned flanges; bolts securing said flanges to the frontplate, the said inside side plates having outturned flanges at theirrear ends; outside side plates having flanges extending back of theouter flanges of the front plate and having inturned flanges at theirrear ends overlapping the flanges of the inner side plates; inner andouter back plates spaced apart, the outer back plate extending betweenthe flanges of'the inner and outer side plates; andbolts securing theinner and outer side plates and the back plates together.

3. The combination in an oven structure, of a front plate; inner andouter side plates, the inner side plates being rigidly secured to thefront plate, the outer plates bein detachably secured thereto and spacedrom the inner plates; heat non-conducting material located between theinner and outer plates; two rack plate structures, one located on eachside of the oven, the said rack plate structures having inturned flangesat their lower edges; a bottom plate resting on the said flanges andholding the bottoms of the rack plates in position; top flanged platessecured to the inside side plates of the oven and extending over therack plate structures, securing the upper portions of said structures inposition; inner and 'outertop plates; and

non-conducting material between the inner and outer plates. I

4. The combination in an oven structure, of a front plate; an innercasing arranged to be permanently secured to the front plate,

consisting of two side members and atop member; two rack plates, one ateach side of the oven structure; a bottom plate and a top plate with anouter casing detachably secured to the structure and spaced from theside 5 plates and top plate;and heat non-conducting material in thespace between'the two sections, the back plate of the outer sectionbeing secured by bolts accessible from the outside and the top plateresting upon the side members of the outer section.

' WILLIAM D. ANTRIM.

